| Study | N | Chemotherapy Regimen | Cycles | TRT | PCI | MST (Months) | p-value |
| Noda K, et al., 2002 [11] | 77 | PE | 4 | No | No | 9.4 | 0.002 |
| 77 | PI | 12.8 | |||||
| Neill HB, et al., 2005 [12] | 282 | PE | 6 | No | Optional | 9.9 | 0.169 |
| 283 | PET | 10.6 | |||||
| Lara PN Jr, et al., 2009 [13] | 327 | PE | 4 | No | No | 9.1 | 0.71 |
| 324 | PI | 9.9 | |||||
| Hermes A, et al., 2008 [14] | 104 | CE | 4 | No | Optional | 7.1 | 0.02 |
| 105 | CI | 8.5 | |||||
| Horn L, et al., 2018 [6] | 201 | CE + A then A | 4 then MN (A) | No | Optional | 12.3 | 0.007 |
| 202 | CE | 4 | 10.2 |